un. 有序合金的多泡结构

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

发表于:2018-12-05 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

That budget now stands at $5,400 million a yeara staggering sum, though somewhat less than we pay for cigarettes and cigars every year. Space expenditures will soon rise some more, from 40 cents per person per week to more than 50 cents a week for ev

发表于:2018-12-30 / 阅读(54) / 评论(0) 分类 名人励志英语演讲

个人情况: Name: ******** Sex: Male/Female Date of birth:June 2,1975 Address: ***** Marital Status: Single/Married Post Code: 100001 Height: 1.70M Weight: 50 kg Health: Excellent E-mail Address:

发表于:2019-01-06 / 阅读(43) / 评论(0) 分类 实用英语

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(116) / 评论(0) 分类 2016年VOA慢速英语(二)月

Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplexing properties. A metal with a memory, it can be made to remember any shape into which it is fashion

发表于:2019-02-17 / 阅读(64) / 评论(0) 分类 双语有声阅读

ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢,

发表于:2019-02-18 / 阅读(40) / 评论(0) 分类 英语新闻
学英语单词
-istic
a week
a-what
adenotonsillectomy
air tank drain cock
airline industry
aligning surface radius
Ambitchous
angulus infrasternalis thoracis
aortomitral
arc ion plating
aspidium griffithi (hook.f.et.thoms.)diels
asterone
bacterial degradation
barrels
Baysh, Wādī
be in equilibrium with
biological balance
blind landing experiment
BMOC,b.m.o.c.
brandylike
calipari
cansticks
cellobiases
cementout
chahar rustai
channel selectivity
Chare Thursday
chemical treatment process
chex
Chromochlorite
collection of record
come close
common point method
constry
cotton shirt
data base procedure
data extend block
Disney world
dummy stack
earth-grine
filling conveyer
fire marshall
form up
freehouses
furitless
gas clathrates
genus Zannichellia
Hathath
heavy foliage
hi res
hieratite
hornitor
indicated horse power hour
ivaol
Kozen
load program
lying at single anchor
M-ACHR
maximum-modulus theorem
michelson morley experiment
motorized variac
night ravens
noncelebrations
nosed about
P&E
parachor
partisis
pkgs.
pre-delivery
pressed tumbler with enamelled decorations
pseudohansfordia pulchra
Ptilidiinae
pulische
pump bead
quaffest
radio-controlled missile
reactor pressure vessel steel liner
remote piloted interceptor
reservoir engineering
semi-polar stationary liquid
sequential therapy
server-free data movement
shoulder pivot
sight-translated
specific technique
staining test
stalagmometric
strohl
stroke lightning
sublock
supercontinua
superoxidized oil
trace to its source
TTMB
Tusson
uneven gage
Universal Negro Improvement Association
volsella forceps
wilms's tumor
xerodermatous